{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["member collection", "cause effect", "component whole", "product producer", "entity origin"], "input": "the yellow discolouration has been caused by the damaging acidic properties of the low-grade mount used in the original frame ."}
{"member collection": [], "cause effect": [{"subject": "discolouration", "object": "properties"}], "component whole": [], "product producer": [], "entity origin": []}